8Li WC,Chen YC,Yang RS,et al.Effects of exercise pro-grammes on quality of life in osteoporotic and osteopenicpostmenopausal women:a systematic review and meta-analysis[J].Clinical Rehabilitation,2009,23(10):888-896.
9Martyn-St James M,Carroll S.Meta-analysis of walkingfor preservation of bone mineral density in postmenopausalwomen[J].Bone,2008,43(3):521-531.
10Swanenburg J,de Bruin ED,Stauffacher M,et al.Effects ofexercise and nutrition on postural balance and risk of fallingin elderly people with decreased bone mineral density:ran-domized controlled trial pilot study[J].Clin Rehabil,21(6):523-534.
